Rakeタスク作成

参考

• Rakeタスクをつくる #Rails - Qiita
• Change to Rake tasks and argument structure in Rails 3.2? - Stack Overflow

---

タスク作成

rails g task send_mail
----------
      create  lib/tasks/send_mail.rake
----------

• lib/tasks/send_mail.rake

namespace :send_mail do
  desc "メール送信"

  task :mail_magazine, [:target, :id] => :environment do |task, args|
    target = args[:target]
    id     = args[:id]

    mail_maga = MailMagazine.where( id: id ).first
    raise "MailMagazine Not Found" if mail_maga.blank?

    if target == "all"
      users = User.all

      users.each_with_index(1) { |user, i|
        begin
          UserMailer.mail_magazine( user.email, mail_maga ).deliver
          puts "[ #{i} : #{user.email} ]"
        rescue Exception => e
          puts "[ ---------- Exception ---------- ]" ; e.tapp ;
        end
      }

      mail_maga.update_attributes!( target: target, last_sent_at: Time.now )
    else
      begin
        UserMailer.mail_magazine( target, mail_maga ).deliver
        result = mail_maga.update_attributes!( target: target, last_sent_at: Time.now )
        puts "[ ---------- result ---------- ]" ; result.tapp ;
      rescue Exception => e
        puts "[ ---------- Exception ---------- ]" ; e.tapp ;
      end
    end
  end
end

• タスク確認

rake -T | grep send_mail:mail_magazine
----------
rake send_mail:mail_magazine[target,id]  # メール送信
----------

• ローカル実行

rake send_mail:mail_magazine["[e-mail]",1]

※カンマの後にスペースを入れるとエラー

rake send_mail:mail_magazine["[e-mail]",1]   # => OK
rake send_mail:mail_magazine['[e-mail]',1]   # => OK
rake send_mail:mail_magazine['[e-mail]', 1]  # => NG
rake send_mail:mail_magazine["[e-mail]", 1]  # => NG

Heroku

• Heroku用設定

※この設定が無いとモデルが読み込めない「uninitialized constant MailMagazine」エラー

config/environments/production.rb

  # Enable threaded mode => For Heroku
  config.threadsafe!
  config.dependency_loading = true if $rails_rake_task

• Heroku実行

heroku run rake send_mail:mail_magazine["[e-mail]",1]